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Definition of: dilatation
(dī′lə·tā′shən, dil′ə-) noun
1. The act or process of dilating.
2. The state of being dilated.
3. That which is dilated.
4. Pathol. An excessive enlargement of an organ, orifice, or part.
5. Med. A restoration to normal functioning of a small passageway, as in the throat or rectum.
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